OCR Text |
Show 1879.] MR. W. OTTLEY ON THE GROUND-HORNBILL. 463 up into numerous branches, which closely resemble one another on the two sides. In the plan (fig. 1) certain vessels are drawn on one side, others on the other, for the sake of greater distinctness. The first branch given off, P, is the large artery to the pectoralis primus, from which comes off an internal mammary, IM., and Plan of the innominate arteries and their branches. another small vessel to the sternum. Opposite the same point the innominate gives off a branch X, which supplies the gland lying on the vertebral artery and anastomoses in its substance with a branch |